Finding the Fourth Proportional to 16,018.80, 22,113.39 and 9,303.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,018.80 : 22,113.39 = 9,303.09 : x
2. Step 2: Convert to fraction form
   16,018.80/22,113.39 = 9,303.09/x
3. Step 3: Cross multiply
   16,018.80x = 22,113.39 × 9,303.09
4. Step 4: Simplify right side
   16,018.80x = 205,722,857.38
5. Step 5: Solve for x
   x = 205,722,857.38/16,018.80
6. Step 6: Final answer
   x = 12,842.59